public class MsgSeqGenerator
{
private static AtomicLong id = new AtomicLong(0);
private static String moduleId;
public static void setModuleId(String moduleId)
{
MsgSeqGenerator.moduleId = moduleId;
}
public static String getMsgSeq()
{
String msgSeq;
if (StringUtils.isEmpty(moduleId))
{
id.compareAndSet(0xFFFFFFFFL, 0);
long seq = id.incrementAndGet();
msgSeq = String.format("%08X", seq);
}
else
{
id.compareAndSet(0xFFFFFL, 0);
long seq = id.incrementAndGet();
msgSeq = moduleId + String.format("%05X", seq);
}
return msgSeq;
}
}
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